Python 3.6 is not supported by pip >= 22

Author: frenzymadness

tox.ini

@@ -1,10 +1,10 @@
 [tox]
 # Don't forget to adjust CI when changing this
 envlist =
-    # Python 3.6 has its own part because the devel version of
-    # pip in its master branch does not support it anymore.
-    py36-pip{90,192,193,203,213,latest}-toml
-    py36-pip{90,latest}-pytoml
+    # Python 3.6 has its own part because pip >= 22
+    # does not support it anymore.
+    py36-pip{90,192,193,203,213}-toml
+    py36-pip{90}-pytoml
     py{37,38,39}-pip{90,192,193,203,213,latest,git}-toml
     py{38,39}-pip{90,latest,git}-pytoml
     py310-pip{192,193,203,213,latest,git}-toml